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Copyright of Financial Research Journal (FRJ) is the property of University of Tehran, Faculty of Management and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Environmental pollution is a serious threat to the sustainable development of Middle East countries, especially Iran. Therefore, in this article was analyzed the decoupling relationship between CO2 emissions energy-related and economic growth in 6 Middle East countries in period 1990-2019. First, CO2 emissions driving mechanisms were quantified using Logarithmic Mean Divisia Index (LMDI) method, and then decomposed into factors of CO2 emission coefficient, energy intensity, economic activity and population. The decoupling state findings using the Tapio model show that population and economic activities factors were main drivers of CO2 emissions in these countries. The results of decoupling elasticity showed that Iran was in a weak decoupling state in period of 1990-1999 and 2015-2019; It means the simultaneous increase of economic growth and carbon emissions, of course, by faster economic growth; Iran had also an expansive coupling state in period of 2000-2014, which indicates that CO2 emissions increase along economic growth. The UAE and Saudi Arabia have reached an ideal situation in recent years. These countries have moved from a negative decoupling and expansive coupling state to a strong decoupling state, where economic growth has been accompanied by a reduction in carbon emissions. The Kuwait and Turkey have been in weak decoupling and negative expansive decoupling states in the last 3 decades, in which economic growth was accompanied by an increase in carbon emissions. At the beginning, the Egypt has changed to a weak decoupling state and then moved to an expansive negative decoupling state. [ABSTRACT FROM AUTHOR]